Main country
Poland
132 people
59.5% of total
Surname
Grontkowski
222 worldwide · 3 countries
222
Total population
3
Countries
1 in every 36,486,486
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
132
59.5%
2
United States
89
40.1%
3
Norway
1
0.5%
World distribution
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